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5.10ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG839604459

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839604459

Diamond specifications and retailer prices

From $1,175 NZD
$660 USD
As of October 29, 2026
Save $5,751 NZD (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $6,926 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.1ct lab-grown round diamond

This 5.1ct lab-grown round sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839604459 or 839604459. Listed at 3 retailers as of October 29, 2026, with prices from $1,175 to $6,926, a $5,751 spread on the same certified stone. Brilliant Earth lists it at $6,926. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.10
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839604459
Dimensions11.06 × 11.11 × 6.77 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.06 mm11.11 mm5.10 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839604459
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,926 NZD|Low: $1,175 NZD|High: $7,140 NZD|Avg: $4,020 NZD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$1,175 NZD
Retailer 2$2,120 NZD
Brilliant Earth$6,926 NZD

27 data points across 3 retailers

3 retailers$1,175 NZD to $6,926 NZD

A
Cheapest Retailer
-
$1,175 NZD
$660 USD
Final sale: no returns
A
Retailer 2
-
$2,120 NZD
£938 GBP
View
Most Expensive
B
Brilliant Earth
21542103A · Oct 29
$6,926 NZD
$3,890 USD
View
2 more retailers have this diamond
Prices start from $1,175 NZDSave up to $5,751 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
5.10ct Round
$1,175 NZD